OPERATION & MAINTENANCE MANUAL SWDE120B-3
As show in the figure, squeeze the sealing ring together.
NOTE: make sure there are no sharp corners, otherwise it will damage the sealing ring
and cause the failure of operation.
Install the sealing ring into the groove, watch and touch with fingers to make sure the correct
installation.
Gently press the sealing ring with a clean round sick or plastic rods to restore the original
shape.
Coat the sealing ring with grease and then set it onto the main shaft. Do not knock it hard!
Rotary head inspection
There are heavy load for thread connection on the rotary head, so it should be checked by
each day in the first 50 working hours, check once by week after that period. Please find the
tightening torque in 7.3.
For the initial use of 250 hours to rotary head, the box cover and bottom cover should be
dismantled, the bearing , gear, main shaft should be checked for wearing, round nut, locking
screw should be checked for looseness, and the gap between bearings should be adjusted.
Rotary head assembly
Clean all the parts before assembly;
When assembling the bearing, knock the bearing inner and outer rings is forbidden (place
copper). The bearing should be close to the shaft shoulder or sleeve end.
Adjust and fasten bearing, make the bearing has an axial clearance of 0.05~0.1.
While assembling, locking screw（M10-12.9）should be tightened by three time according to
the principle of diagonal fastening. The tightening torque can be found in following table.
When assembly, 4~5L gear oil should be injected into the oil tank, and the air inlet oil groove
should be filled with lubricating grease.
Change the attached kit of sealing parts.
For ensuring the performance of main engine, after assembly, it shall be had a test run, the
idling time shall not be less than 0.5 hours, the transmission case should not have the
phenomenon of abnormal sound, burning and rough running. There shall be no abnormal
wear between gears.
Observe the leakage carefully, retighten the joints and threaded joint if necessary.
SUNWARD INTELLIGENT EQUIPMENT CO., LTD. will not be
responsible for any of the following circumstances
：
● The use not according to the rules
●Incorrect or non-standard operation i
● Lack of maintenance
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